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Home >> Lexus >> 2021 >> LC 500 2D Convertible >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (Convertible) (5 Of 7) >> SFI System >> DTC P1023: Camshaft Position Signal Output "B" Circuit; DTC P2614: Camshaft Position Signal Output Circuit / Open [07/2020 - ] >> Procedure

DTC P1023: Camshaft Position Signal Output "B" Circuit; DTC P2614: Camshaft Position Signal Output Circuit / Open [07/2020 - ]: Procedure

  1. REPLACE CAMSHAFT TIMING CONTROL MOTOR WITH EDU ASSEMBLY (BANK 1 OR BANK 2) 
    1. Replace the camshaft timing control motor with EDU assembly.

      Refer to REMOVAL [07/2020 - 05/2023] , or refer to REMOVAL [05/2023 - ]

      HINT: 

      Perform "Inspection After Repair" after replacing the camshaft timing control motor with EDU assembly.

      Refer to INITIALIZATION [07/2020 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. CLEAR DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Clear the DTCs.

      Powertrain > Engine > Clear DTCs 

    5. Turn the engine switch off and wait for at least 30 seconds.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. CHECK WHETHER DTC OUTPUT RECURS (DTC P1023 AND P2614) 
    1. Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving Pattern.
    2. Enter the following menus: Powertrain / Engine / Trouble Codes.

      Powertrain > Engine > Trouble Codes 

    3. Read the DTCs.

      Result

      Result Proceed to
      DTCs are not output A
      DTC P1023 and/or P2614 is output B

    Result: 

    END 

    Result: 

    REPLACE ECM. Refer to  REMOVAL [07/2020 - 05/2023]  , or refer to  REMOVAL [05/2023 - ]